Ricoh FW780 Service Manual page 463

    U
   U
   h f
  h KHNfKINfKJN
   h f
SUBJECT: INSTALLATION CHECK – GROUNDING WIRES
SYMPTOM:
Paper jams at the Registration Roller.
CAUSE:
The ground wire is positioned behind the Main Board on the Roll Feeder.
NOTE: This can result in an electrical short.
SOLUTION:
Ensure that both Ground Wires are attached. (See Illustration Below)
NOTE-1: To ensure grounding,
tighten the screws for the
ground wires until the
spring washer's [A] are
flattened
NOTE-2: Ensure that both wires
are connected before
powering up the copier.
RICOH GROUP COMPANIES
 
EJGf FIEf FIF g NNH
  
Attach the Long Wire [C] to
the copier.
Attach the Short Wire [B] to
the stand.
  
EEfEMfML
CONTROL NO. 316